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Computation times are measured as the the elapsed real time (i.e., “wall clock” time) as opposed to CPU time. Timing estimates were computed on unloaded machines with only a single process dedicated to biometric operations. The test machines are Dell PowerEdge M910 blades with Dual Intel Xeon X7560 2.3 GHz CPUs (with eight cores per processor).

Dataset: Operational Dataset 4th pull
Samples used: Both eyes
Enrolled Population: 500K people
Enrollment Method: One enrollment session per person


Previous IREX evaluations identified a speed-accuracy trade-off whereby the more accurate matchers tend to take longer to return search results. The plot below shows FNIR as a function of median search time for each matcher. FNIR computed at an FPIR of \(0.01\).

Dataset: Operational Dataset 4th pull
Samples used: Both eyes
Enrolled Population: 500K people
Enrollment Method: One enrollment session per person
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